\( 1 \) mole of ideal gas is allowed to expand reversibly and adiabatically from a temperature of \( 27^\circ \mathrm{C} \). The work done is \( 3 \, \mathrm{kJ\,mol^{-1}} \). The final temperature of the gas is ________ \( \mathrm{K} \) (Nearest integer). (Given \( C_V = 20 \, \mathrm{J\,mol^{-1}\,K^{-1}} \) )